package com.heima.behavior.service.Impl;

import com.heima.behavior.service.ApArticleBehaviorService;
import com.heima.behavior.service.ApBehaviorEntryService;
import com.heima.common.constants.user.UserRelationConstants;
import com.heima.common.exception.CustException;
import com.heima.model.behavior.dtos.ArticleBehaviorDTO;
import com.heima.model.behavior.pojos.ApBehaviorEntry;
import com.heima.model.behavior.pojos.ApCollection;
import com.heima.model.behavior.pojos.ApLikesBehavior;
import com.heima.model.behavior.pojos.ApUnlikesBehavior;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.threadlocal.AppThreadLocalUtils;
import com.heima.model.user.pojos.ApUser;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.query.Criteria;
import org.springframework.data.mongodb.core.query.Query;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.stereotype.Service;

import java.util.HashMap;

@Service
public class ApArticleBehaviorServiceImpl implements ApArticleBehaviorService {
    @Autowired
    MongoTemplate mongoTemplate;
    @Autowired
    ApBehaviorEntryService apBehaviorEntryService;
    @Autowired
    StringRedisTemplate redisTemplate;
    @Override
    public ResponseResult loadArticleBehavior(ArticleBehaviorDTO dto) {
        HashMap<String, Boolean> map = new HashMap<>();
        map.put("isfollow",false);
        map.put("islike",false);
        map.put("isunlike",false);
        map.put("iscollection",false);
//        1. 判断用户是否登录
        if(dto==null){
            CustException.cust(AppHttpCodeEnum.PARAM_INVALID,"参数异常!");
        }
        ApUser user = AppThreadLocalUtils.getUser();

//        2. 未登录 直接将 4种行为 均返回false
        if (user==null) {
            return ResponseResult.okResult(map);
        }
//        3. 如果登录
        Integer userId = user.getId();
//        4. 查询行为实体
        ApBehaviorEntry apBehaviorEntry = apBehaviorEntryService.findByUserIdOrEquipmentId(userId, dto.getEquipmentId());
//        5. 根据行为实体 文章ID查询 是否点赞
        ApLikesBehavior apLikesBehavior = mongoTemplate.findOne(Query.query(Criteria.where("entryId").is(apBehaviorEntry.getId()).and("articleId").is(dto.getArticleId())), ApLikesBehavior.class);
        if (apLikesBehavior!=null) {
            map.put("islike",true);
        }
//        6. 根据行为实体 文章ID查询 是否不喜欢
        ApUnlikesBehavior apUnlikesBehavior = mongoTemplate.findOne(Query.query(Criteria.where("entryId").is(apBehaviorEntry.getId()).and("articleId").is(dto.getArticleId())), ApUnlikesBehavior.class);
        if (apUnlikesBehavior!=null) {
            map.put("isunlike",true);
        }
//        7. 根据行为实体 文章ID查询 是否收藏
        ApCollection apCollection = mongoTemplate.findOne(Query.query(Criteria.where("entryId").is(apBehaviorEntry.getId()).and("articleId").is(dto.getArticleId())), ApCollection.class);
        if (apCollection!=null) {
            map.put("iscollection",true);
        }
//        8. 根据登录用户id 去redis中查询是否关注该作者
        Double score = redisTemplate.opsForZSet()
                .score(UserRelationConstants.FOLLOW_LIST + userId, String.valueOf(dto.getAuthorApUserId()));
        if (score!=null) {
            map.put("isfollow",true);
        }
//        9. 封装结果 返回
        return ResponseResult.okResult(map);
    }
}
